Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net income	$ 88,332	$ 155,899	$ 90,398
Adjustments to reconcile net income to cash provided by operating activities, net of effects of acquisition:
Depreciation and amortization	25,789	26,152	27,576
Stock-based compensation	1,671	8,280	6,128
Excess and obsolescence inventory reserve	501	953
Gain on sale of assets	(36)	(127)	(52)
Deferred income taxes	(5,573)	994	3,863
Changes in operating assets and liabilities:
Trade receivables	(8,413)	840	(5,236)
Inventories	(21,644)	(15,726)	10,624
Trade accounts payable and accrued expenses	(640)	(392)	7,954
Contract liability with customers	1,031	(84)	(9,539)
Employee compensation and benefits	(3,420)	(5,433)	20,910
Product liability	(584)	(234)	308
Prepaid expenses, other assets and other liabilities	(954)	1,217	(7,905)
Income taxes receivable/payable	1,171		(1,223)
Cash provided by operating activities	77,231	172,339	143,806
Investing Activities
Property, plant, and equipment additions	(27,730)	(28,776)	(24,229)
Purchase of Marlin assets			(28,316)
Purchases of short-term investments	(365,480)	(681,940)	(369,439)
Proceeds from maturity of short-term investments	406,319	602,976	377,920
Net proceeds from sale of assets	100	203	178
Cash provided by (used for) investing activities	13,209	(107,537)	(43,886)
Financing Activities
Dividends paid	(42,718)	(59,104)	(113,896)
Repurchase of common stock	(222)
Payment of employee withholding tax related to share-based compensation	(3,371)	(4,801)	(1,297)
Cash used for financing activities	(46,311)	(63,905)	(115,193)
Increase (decrease) in cash and cash equivalents	44,129	897	(15,273)
Cash and cash equivalents at beginning of year	21,044	20,147	35,420
Cash and cash equivalents at end of year	$ 65,173	$ 21,044	$ 20,147